Home / 758,131.32-1,046,193.84-418,592.28

Finding the Fourth Proportional to 758,131.32, 1,046,193.84 and 418,592.28

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Solution

The fourth proportional to 758,131.32, 1,046,193.84 and 418,592.28 is: 577,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,131.32 : 1,046,193.84 = 418,592.28 : x
  2. Step 2: Convert to fraction form
    758,131.32/1,046,193.84 = 418,592.28/x
  3. Step 3: Cross multiply
    758,131.32x = 1,046,193.84 × 418,592.28
  4. Step 4: Simplify right side
    758,131.32x = 437,928,664,807.56
  5. Step 5: Solve for x
    x = 437,928,664,807.56/758,131.32
  6. Step 6: Final answer
    x = 577,642.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.